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decred/dcrdata
notification/ntfnhandlers.go
RegisterNodeNtfnHandlers
func RegisterNodeNtfnHandlers(dcrdClient *rpcclient.Client) *ContextualError { // Set the node client for use by signalReorg to determine the common // ancestor of two chains. nodeClient = dcrdClient // Register for block connection and chain reorg notifications. var err error if err = dcrdClient.NotifyBlocks();...
go
func RegisterNodeNtfnHandlers(dcrdClient *rpcclient.Client) *ContextualError { // Set the node client for use by signalReorg to determine the common // ancestor of two chains. nodeClient = dcrdClient // Register for block connection and chain reorg notifications. var err error if err = dcrdClient.NotifyBlocks();...
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// RegisterNodeNtfnHandlers registers with dcrd to receive new block, // transaction and winning ticket notifications.
[ "RegisterNodeNtfnHandlers", "registers", "with", "dcrd", "to", "receive", "new", "block", "transaction", "and", "winning", "ticket", "notifications", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/notification/ntfnhandlers.go#L27-L63
train
decred/dcrdata
notification/ntfnhandlers.go
SetSynchronousHandlers
func (q *collectionQueue) SetSynchronousHandlers(syncHandlers []func(hash *chainhash.Hash) error) { q.syncHandlers = syncHandlers }
go
func (q *collectionQueue) SetSynchronousHandlers(syncHandlers []func(hash *chainhash.Hash) error) { q.syncHandlers = syncHandlers }
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// SetSynchronousHandlers sets the slice of synchronous new block handler // functions, which are called in the order they occur in the slice.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/notification/ntfnhandlers.go#L92-L94
train
decred/dcrdata
notification/ntfnhandlers.go
processBlock
func (q *collectionQueue) processBlock(bh *blockHashHeight) { hash := bh.hash height := bh.height // Ensure that the received block (bh.hash, bh.height) connects to the // previously connected block (q.prevHash, q.prevHeight). if bh.prevHash != q.prevHash { log.Infof("Received block at %d (%v) does not connect ...
go
func (q *collectionQueue) processBlock(bh *blockHashHeight) { hash := bh.hash height := bh.height // Ensure that the received block (bh.hash, bh.height) connects to the // previously connected block (q.prevHash, q.prevHeight). if bh.prevHash != q.prevHash { log.Infof("Received block at %d (%v) does not connect ...
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// processBlock calls each synchronous new block handler with the given // blockHashHeight, and then signals to the monitors that a new block was mined.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/notification/ntfnhandlers.go#L119-L158
train
decred/dcrdata
notification/ntfnhandlers.go
signalReorg
func signalReorg(d ReorgData) { if nodeClient == nil { log.Errorf("The daemon RPC client for signalReorg is not configured!") return } // Determine the common ancestor of the two chains, and get the full // list of blocks in each chain back to but not including the common // ancestor. ancestor, newChain, old...
go
func signalReorg(d ReorgData) { if nodeClient == nil { log.Errorf("The daemon RPC client for signalReorg is not configured!") return } // Determine the common ancestor of the two chains, and get the full // list of blocks in each chain back to but not including the common // ancestor. ancestor, newChain, old...
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// signalReorg takes the basic reorganization data from dcrd, determines the two // chains and their common ancestor, and signals the reorg to each packages' // reorganization handler. Lastly, the collectionQueue's best block data is // updated so that it will successfully accept new blocks building on the new // chain...
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/notification/ntfnhandlers.go#L174-L247
train
decred/dcrdata
notification/ntfnhandlers.go
superQueue
func superQueue() { for e := range anyQueue { // Do not allow new blocks to process while running reorg. Only allow // them to be processed after this reorg completes. switch et := e.(type) { case *blockHashHeight: // Process the new block. log.Infof("superQueue: Processing new block %v (height %d).", et...
go
func superQueue() { for e := range anyQueue { // Do not allow new blocks to process while running reorg. Only allow // them to be processed after this reorg completes. switch et := e.(type) { case *blockHashHeight: // Process the new block. log.Infof("superQueue: Processing new block %v (height %d).", et...
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// superQueue manages the event notification queue, keeping the events in the // same order they were received by the rpcclient.NotificationHandlers, and // sending them to the appropriate handlers. This should be run as a goroutine.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/notification/ntfnhandlers.go#L257-L276
train
decred/dcrdata
exchanges/exchanges.go
Tokens
func Tokens() []string { tokens := make([]string, 0, len(BtcIndices)+len(DcrExchanges)) var token string for token = range BtcIndices { tokens = append(tokens, token) } for token = range DcrExchanges { tokens = append(tokens, token) } return tokens }
go
func Tokens() []string { tokens := make([]string, 0, len(BtcIndices)+len(DcrExchanges)) var token string for token = range BtcIndices { tokens = append(tokens, token) } for token = range DcrExchanges { tokens = append(tokens, token) } return tokens }
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// Tokens is a new slice of available exchange tokens.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L169-L179
train
decred/dcrdata
exchanges/exchanges.go
IsFresh
func (depth *DepthData) IsFresh() bool { return time.Duration(time.Now().Unix()-depth.Time)* time.Second < depthDataExpiration }
go
func (depth *DepthData) IsFresh() bool { return time.Duration(time.Now().Unix()-depth.Time)* time.Second < depthDataExpiration }
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// IsFresh will be true if the data is older than depthDataExpiration.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L200-L203
train
decred/dcrdata
exchanges/exchanges.go
time
func (sticks Candlesticks) time() time.Time { if len(sticks) > 0 { return sticks[len(sticks)-1].Start } return time.Time{} }
go
func (sticks Candlesticks) time() time.Time { if len(sticks) > 0 { return sticks[len(sticks)-1].Start } return time.Time{} }
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// returns the start time of the last Candlestick, else the zero time,
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L219-L224
train
decred/dcrdata
exchanges/exchanges.go
needsUpdate
func (sticks Candlesticks) needsUpdate(bin candlestickKey) bool { if len(sticks) == 0 { return true } lastStick := sticks[len(sticks)-1] return time.Now().After(lastStick.Start.Add(bin.duration() * 2)) }
go
func (sticks Candlesticks) needsUpdate(bin candlestickKey) bool { if len(sticks) == 0 { return true } lastStick := sticks[len(sticks)-1] return time.Now().After(lastStick.Start.Add(bin.duration() * 2)) }
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// Checks whether the candlestick data for the given bin size is up-to-date.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L227-L233
train
decred/dcrdata
exchanges/exchanges.go
stealSticks
func (state *ExchangeState) stealSticks(top *ExchangeState) { if len(top.Candlesticks) == 0 { return } if state.Candlesticks == nil { state.Candlesticks = make(map[candlestickKey]Candlesticks) } for bin := range top.Candlesticks { _, have := state.Candlesticks[bin] if !have { state.Candlesticks[bin] = t...
go
func (state *ExchangeState) stealSticks(top *ExchangeState) { if len(top.Candlesticks) == 0 { return } if state.Candlesticks == nil { state.Candlesticks = make(map[candlestickKey]Candlesticks) } for bin := range top.Candlesticks { _, have := state.Candlesticks[bin] if !have { state.Candlesticks[bin] = t...
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// Grab any candlesticks from the top that are not in the receiver. Candlesticks // are historical data, so never need to be discarded.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L268-L281
train
decred/dcrdata
exchanges/exchanges.go
exchangeStateFromProto
func exchangeStateFromProto(proto *dcrrates.ExchangeRateUpdate) *ExchangeState { state := &ExchangeState{ Price: proto.GetPrice(), BaseVolume: proto.GetBaseVolume(), Volume: proto.GetVolume(), Change: proto.GetChange(), Stamp: proto.GetStamp(), } updateDepth := proto.GetDepth() if updat...
go
func exchangeStateFromProto(proto *dcrrates.ExchangeRateUpdate) *ExchangeState { state := &ExchangeState{ Price: proto.GetPrice(), BaseVolume: proto.GetBaseVolume(), Volume: proto.GetVolume(), Change: proto.GetChange(), Stamp: proto.GetStamp(), } updateDepth := proto.GetDepth() if updat...
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// Parse an ExchangeState from a protocol buffer message.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L284-L334
train
decred/dcrdata
exchanges/exchanges.go
StickList
func (state *ExchangeState) StickList() string { sticks := make([]string, 0, len(state.Candlesticks)) for bin := range state.Candlesticks { sticks = append(sticks, string(bin)) } return strings.Join(sticks, ";") }
go
func (state *ExchangeState) StickList() string { sticks := make([]string, 0, len(state.Candlesticks)) for bin := range state.Candlesticks { sticks = append(sticks, string(bin)) } return strings.Join(sticks, ";") }
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// StickList is a semicolon-delimited list of available binSize.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L347-L353
train
decred/dcrdata
exchanges/exchanges.go
LastUpdate
func (xc *CommonExchange) LastUpdate() time.Time { xc.mtx.RLock() defer xc.mtx.RUnlock() return xc.lastUpdate }
go
func (xc *CommonExchange) LastUpdate() time.Time { xc.mtx.RLock() defer xc.mtx.RUnlock() return xc.lastUpdate }
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// LastUpdate gets a time.Time of the last successful exchange update.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L403-L407
train
decred/dcrdata
exchanges/exchanges.go
Hurry
func (xc *CommonExchange) Hurry(d time.Duration) { xc.mtx.Lock() defer xc.mtx.Unlock() xc.lastRequest = xc.lastRequest.Add(-d) }
go
func (xc *CommonExchange) Hurry(d time.Duration) { xc.mtx.Lock() defer xc.mtx.Unlock() xc.lastRequest = xc.lastRequest.Add(-d) }
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// Hurry can be used to subtract some amount of time from the lastUpate // and lastFail, and can be used to de-sync the exchange updates.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L411-L415
train
decred/dcrdata
exchanges/exchanges.go
LastFail
func (xc *CommonExchange) LastFail() time.Time { xc.mtx.RLock() defer xc.mtx.RUnlock() return xc.lastFail }
go
func (xc *CommonExchange) LastFail() time.Time { xc.mtx.RLock() defer xc.mtx.RUnlock() return xc.lastFail }
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// LastFail gets the last time.Time of a failed exchange update.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L418-L422
train
decred/dcrdata
exchanges/exchanges.go
IsFailed
func (xc *CommonExchange) IsFailed() bool { xc.mtx.RLock() defer xc.mtx.RUnlock() return xc.lastFail.After(xc.lastUpdate) }
go
func (xc *CommonExchange) IsFailed() bool { xc.mtx.RLock() defer xc.mtx.RUnlock() return xc.lastFail.After(xc.lastUpdate) }
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// IsFailed will be true if xc.lastFail > xc.lastUpdate.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L425-L429
train
decred/dcrdata
exchanges/exchanges.go
LogRequest
func (xc *CommonExchange) LogRequest() { xc.mtx.Lock() defer xc.mtx.Unlock() xc.lastRequest = time.Now() }
go
func (xc *CommonExchange) LogRequest() { xc.mtx.Lock() defer xc.mtx.Unlock() xc.lastRequest = time.Now() }
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// LogRequest sets the lastRequest time.Time.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L432-L436
train
decred/dcrdata
exchanges/exchanges.go
LastTry
func (xc *CommonExchange) LastTry() time.Time { xc.mtx.RLock() defer xc.mtx.RUnlock() return xc.lastRequest }
go
func (xc *CommonExchange) LastTry() time.Time { xc.mtx.RLock() defer xc.mtx.RUnlock() return xc.lastRequest }
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// LastTry is the more recent of lastFail and LastUpdate.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L439-L443
train
decred/dcrdata
exchanges/exchanges.go
setLastFail
func (xc *CommonExchange) setLastFail(t time.Time) { xc.mtx.Lock() defer xc.mtx.Unlock() xc.lastFail = t }
go
func (xc *CommonExchange) setLastFail(t time.Time) { xc.mtx.Lock() defer xc.mtx.Unlock() xc.lastFail = t }
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// setLastFail sets the last failure time.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L451-L455
train
decred/dcrdata
exchanges/exchanges.go
fail
func (xc *CommonExchange) fail(msg string, err error) { log.Errorf("%s: %s: %v", xc.token, msg, err) xc.setLastFail(time.Now()) }
go
func (xc *CommonExchange) fail(msg string, err error) { log.Errorf("%s: %s: %v", xc.token, msg, err) xc.setLastFail(time.Now()) }
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// Log the error along with the token and an additional passed identifier.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L458-L461
train
decred/dcrdata
exchanges/exchanges.go
UpdateIndices
func (xc *CommonExchange) UpdateIndices(indices FiatIndices) { xc.mtx.Lock() defer xc.mtx.Unlock() xc.lastUpdate = time.Now() xc.channels.index <- &IndexUpdate{ Token: xc.token, Indices: indices, } }
go
func (xc *CommonExchange) UpdateIndices(indices FiatIndices) { xc.mtx.Lock() defer xc.mtx.Unlock() xc.lastUpdate = time.Now() xc.channels.index <- &IndexUpdate{ Token: xc.token, Indices: indices, } }
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// UpdateIndices sends a bitcoin index update to the ExchangeBot.
[ "UpdateIndices", "sends", "a", "bitcoin", "index", "update", "to", "the", "ExchangeBot", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L490-L498
train
decred/dcrdata
exchanges/exchanges.go
fetch
func (xc *CommonExchange) fetch(request *http.Request, response interface{}) (err error) { resp, err := xc.client.Do(request) if err != nil { return fmt.Errorf(fmt.Sprintf("Request failed: %v", err)) } defer resp.Body.Close() err = json.NewDecoder(resp.Body).Decode(response) if err != nil { return fmt.Errorf(...
go
func (xc *CommonExchange) fetch(request *http.Request, response interface{}) (err error) { resp, err := xc.client.Do(request) if err != nil { return fmt.Errorf(fmt.Sprintf("Request failed: %v", err)) } defer resp.Body.Close() err = json.NewDecoder(resp.Body).Decode(response) if err != nil { return fmt.Errorf(...
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// Send the exchange request and decode the response.
[ "Send", "the", "exchange", "request", "and", "decode", "the", "response", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L501-L512
train
decred/dcrdata
exchanges/exchanges.go
state
func (xc *CommonExchange) state() *ExchangeState { xc.mtx.RLock() defer xc.mtx.RUnlock() return xc.currentState }
go
func (xc *CommonExchange) state() *ExchangeState { xc.mtx.RLock() defer xc.mtx.RUnlock() return xc.currentState }
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// A thread-safe getter for the last known ExchangeState.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L515-L519
train
decred/dcrdata
exchanges/exchanges.go
connectWebsocket
func (xc *CommonExchange) connectWebsocket(processor WebsocketProcessor, cfg *socketConfig) error { ws, err := newSocketConnection(cfg) if err != nil { return err } xc.wsMtx.Lock() if xc.ws != nil { select { case <-xc.ws.Done(): default: xc.ws.Close() } } xc.wsProcessor = processor xc.ws = ws xc....
go
func (xc *CommonExchange) connectWebsocket(processor WebsocketProcessor, cfg *socketConfig) error { ws, err := newSocketConnection(cfg) if err != nil { return err } xc.wsMtx.Lock() if xc.ws != nil { select { case <-xc.ws.Done(): default: xc.ws.Close() } } xc.wsProcessor = processor xc.ws = ws xc....
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// Creates a websocket connection and starts a listen loop. Closes any existing // connections for this exchange.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L534-L554
train
decred/dcrdata
exchanges/exchanges.go
startWebsocket
func (xc *CommonExchange) startWebsocket() { ws, processor := xc.websocket() go func() { for { message, err := ws.Read() if err != nil { xc.setWsFail(err) return } processor(message) } }() }
go
func (xc *CommonExchange) startWebsocket() { ws, processor := xc.websocket() go func() { for { message, err := ws.Read() if err != nil { xc.setWsFail(err) return } processor(message) } }() }
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// The listen loop for a websocket connection.
[ "The", "listen", "loop", "for", "a", "websocket", "connection", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L557-L569
train
decred/dcrdata
exchanges/exchanges.go
wsListening
func (xc *CommonExchange) wsListening() bool { ws, _ := xc.websocket() if ws == nil { return false } select { case <-ws.Done(): return false default: return true } }
go
func (xc *CommonExchange) wsListening() bool { ws, _ := xc.websocket() if ws == nil { return false } select { case <-ws.Done(): return false default: return true } }
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// Checks whether the websocketFeed Done channel is closed.
[ "Checks", "whether", "the", "websocketFeed", "Done", "channel", "is", "closed", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L577-L588
train
decred/dcrdata
exchanges/exchanges.go
setWsFail
func (xc *CommonExchange) setWsFail(err error) { xc.wsMtx.Lock() defer xc.wsMtx.Unlock() log.Errorf("%s websocket error: %v", xc.token, err) xc.wsSync.err = err xc.wsSync.errCount++ xc.wsSync.fail = time.Now() }
go
func (xc *CommonExchange) setWsFail(err error) { xc.wsMtx.Lock() defer xc.wsMtx.Unlock() log.Errorf("%s websocket error: %v", xc.token, err) xc.wsSync.err = err xc.wsSync.errCount++ xc.wsSync.fail = time.Now() }
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// Log the error and time, and increment the error counter.
[ "Log", "the", "error", "and", "time", "and", "increment", "the", "error", "counter", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L591-L598
train
decred/dcrdata
exchanges/exchanges.go
wsFailed
func (xc *CommonExchange) wsFailed() bool { xc.wsMtx.RLock() defer xc.wsMtx.RUnlock() return xc.wsSync.fail.After(xc.wsSync.update) }
go
func (xc *CommonExchange) wsFailed() bool { xc.wsMtx.RLock() defer xc.wsMtx.RUnlock() return xc.wsSync.fail.After(xc.wsSync.update) }
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// Checks whether the websocket is in a failed state.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L601-L605
train
decred/dcrdata
exchanges/exchanges.go
wsErrorCount
func (xc *CommonExchange) wsErrorCount() int { xc.wsMtx.RLock() defer xc.wsMtx.RUnlock() return xc.wsSync.errCount }
go
func (xc *CommonExchange) wsErrorCount() int { xc.wsMtx.RLock() defer xc.wsMtx.RUnlock() return xc.wsSync.errCount }
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// The count of errors logged since the last success-triggered reset.
[ "The", "count", "of", "errors", "logged", "since", "the", "last", "success", "-", "triggered", "reset", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L608-L612
train
decred/dcrdata
exchanges/exchanges.go
newCommonExchange
func newCommonExchange(token string, client *http.Client, reqs requests, channels *BotChannels) *CommonExchange { var tZero time.Time return &CommonExchange{ token: token, client: client, channels: channels, currentState: new(ExchangeState), lastUpdate: tZero, lastFail: tZero, la...
go
func newCommonExchange(token string, client *http.Client, reqs requests, channels *BotChannels) *CommonExchange { var tZero time.Time return &CommonExchange{ token: token, client: client, channels: channels, currentState: new(ExchangeState), lastUpdate: tZero, lastFail: tZero, la...
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// Used to initialize the embedding exchanges.
[ "Used", "to", "initialize", "the", "embedding", "exchanges", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L615-L628
train
decred/dcrdata
exchanges/exchanges.go
NewCoinbase
func NewCoinbase(client *http.Client, channels *BotChannels) (coinbase Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, CoinbaseURLs.Price, nil) if err != nil { return } coinbase = &CoinbaseExchange{ CommonExchange: newCommonExchange(Coinbase, client, reqs, channel...
go
func NewCoinbase(client *http.Client, channels *BotChannels) (coinbase Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, CoinbaseURLs.Price, nil) if err != nil { return } coinbase = &CoinbaseExchange{ CommonExchange: newCommonExchange(Coinbase, client, reqs, channel...
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// NewCoinbase constructs a CoinbaseExchange.
[ "NewCoinbase", "constructs", "a", "CoinbaseExchange", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L636-L646
train
decred/dcrdata
exchanges/exchanges.go
Refresh
func (coinbase *CoinbaseExchange) Refresh() { coinbase.LogRequest() response := new(CoinbaseResponse) err := coinbase.fetch(coinbase.requests.price, response) if err != nil { coinbase.fail("Fetch", err) return } indices := make(FiatIndices) for code, floatStr := range response.Data.Rates { price, err := s...
go
func (coinbase *CoinbaseExchange) Refresh() { coinbase.LogRequest() response := new(CoinbaseResponse) err := coinbase.fetch(coinbase.requests.price, response) if err != nil { coinbase.fail("Fetch", err) return } indices := make(FiatIndices) for code, floatStr := range response.Data.Rates { price, err := s...
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// Refresh retrieves and parses API data from Coinbase.
[ "Refresh", "retrieves", "and", "parses", "API", "data", "from", "Coinbase", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L660-L679
train
decred/dcrdata
exchanges/exchanges.go
NewCoindesk
func NewCoindesk(client *http.Client, channels *BotChannels) (coindesk Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, CoindeskURLs.Price, nil) if err != nil { return } coindesk = &CoindeskExchange{ CommonExchange: newCommonExchange(Coindesk, client, reqs, channel...
go
func NewCoindesk(client *http.Client, channels *BotChannels) (coindesk Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, CoindeskURLs.Price, nil) if err != nil { return } coindesk = &CoindeskExchange{ CommonExchange: newCommonExchange(Coindesk, client, reqs, channel...
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// NewCoindesk constructs a CoindeskExchange.
[ "NewCoindesk", "constructs", "a", "CoindeskExchange", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L688-L698
train
decred/dcrdata
exchanges/exchanges.go
Refresh
func (coindesk *CoindeskExchange) Refresh() { coindesk.LogRequest() response := new(CoindeskResponse) err := coindesk.fetch(coindesk.requests.price, response) if err != nil { coindesk.fail("Fetch", err) return } indices := make(FiatIndices) for code, bpi := range response.Bpi { indices[code] = bpi.RateFlo...
go
func (coindesk *CoindeskExchange) Refresh() { coindesk.LogRequest() response := new(CoindeskResponse) err := coindesk.fetch(coindesk.requests.price, response) if err != nil { coindesk.fail("Fetch", err) return } indices := make(FiatIndices) for code, bpi := range response.Bpi { indices[code] = bpi.RateFlo...
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// Refresh retrieves and parses API data from Coindesk.
[ "Refresh", "retrieves", "and", "parses", "API", "data", "from", "Coindesk", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L725-L739
train
decred/dcrdata
exchanges/exchanges.go
NewBinance
func NewBinance(client *http.Client, channels *BotChannels) (binance Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, BinanceURLs.Price, nil) if err != nil { return } reqs.depth, err = http.NewRequest(http.MethodGet, BinanceURLs.Depth, nil) if err != nil { return...
go
func NewBinance(client *http.Client, channels *BotChannels) (binance Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, BinanceURLs.Price, nil) if err != nil { return } reqs.depth, err = http.NewRequest(http.MethodGet, BinanceURLs.Depth, nil) if err != nil { return...
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// NewBinance constructs a BinanceExchange.
[ "NewBinance", "constructs", "a", "BinanceExchange", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L747-L769
train
decred/dcrdata
exchanges/exchanges.go
Refresh
func (binance *BinanceExchange) Refresh() { binance.LogRequest() priceResponse := new(BinancePriceResponse) err := binance.fetch(binance.requests.price, priceResponse) if err != nil { binance.fail("Fetch price", err) return } price, err := strconv.ParseFloat(priceResponse.LastPrice, 64) if err != nil { bin...
go
func (binance *BinanceExchange) Refresh() { binance.LogRequest() priceResponse := new(BinancePriceResponse) err := binance.fetch(binance.requests.price, priceResponse) if err != nil { binance.fail("Fetch price", err) return } price, err := strconv.ParseFloat(priceResponse.LastPrice, 64) if err != nil { bin...
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// Refresh retrieves and parses API data from Binance.
[ "Refresh", "retrieves", "and", "parses", "API", "data", "from", "Binance", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L936-L1005
train
decred/dcrdata
exchanges/exchanges.go
NewBittrex
func NewBittrex(client *http.Client, channels *BotChannels) (bittrex Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, BittrexURLs.Price, nil) if err != nil { return } reqs.depth, err = http.NewRequest(http.MethodGet, BittrexURLs.Depth, nil) if err != nil { return...
go
func NewBittrex(client *http.Client, channels *BotChannels) (bittrex Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, BittrexURLs.Price, nil) if err != nil { return } reqs.depth, err = http.NewRequest(http.MethodGet, BittrexURLs.Depth, nil) if err != nil { return...
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// NewBittrex constructs a BittrexExchange.
[ "NewBittrex", "constructs", "a", "BittrexExchange", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L1014-L1038
train
decred/dcrdata
exchanges/exchanges.go
makePts
func (pts BittrexDepthArray) makePts() []DepthPoint { depth := make([]DepthPoint, 0, len(pts)) for _, pt := range pts { depth = append(depth, DepthPoint{ Quantity: pt.Quantity, Price: pt.Rate, }) } return depth }
go
func (pts BittrexDepthArray) makePts() []DepthPoint { depth := make([]DepthPoint, 0, len(pts)) for _, pt := range pts { depth = append(depth, DepthPoint{ Quantity: pt.Quantity, Price: pt.Rate, }) } return depth }
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// Translate the bittrex list to DepthPoints.
[ "Translate", "the", "bittrex", "list", "to", "DepthPoints", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L1080-L1089
train
decred/dcrdata
exchanges/exchanges.go
translate
func (r *BittrexDepthResponse) translate() *DepthData { if r == nil { return nil } if !r.Success { log.Errorf("Bittrex depth result error: %s", r.Message) return nil } depth := new(DepthData) depth.Time = time.Now().Unix() depth.Asks = r.Result.Sell.makePts() depth.Bids = r.Result.Buy.makePts() return de...
go
func (r *BittrexDepthResponse) translate() *DepthData { if r == nil { return nil } if !r.Success { log.Errorf("Bittrex depth result error: %s", r.Message) return nil } depth := new(DepthData) depth.Time = time.Now().Unix() depth.Asks = r.Result.Sell.makePts() depth.Bids = r.Result.Buy.makePts() return de...
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// Translate the Bittrex response to DepthData.
[ "Translate", "the", "Bittrex", "response", "to", "DepthData", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L1099-L1112
train
decred/dcrdata
exchanges/exchanges.go
Refresh
func (bittrex *BittrexExchange) Refresh() { bittrex.LogRequest() priceResponse := new(BittrexPriceResponse) err := bittrex.fetch(bittrex.requests.price, priceResponse) if err != nil { bittrex.fail("Fetch", err) return } if !priceResponse.Success { bittrex.fail("Unsuccessful resquest", err) return } if l...
go
func (bittrex *BittrexExchange) Refresh() { bittrex.LogRequest() priceResponse := new(BittrexPriceResponse) err := bittrex.fetch(bittrex.requests.price, priceResponse) if err != nil { bittrex.fail("Fetch", err) return } if !priceResponse.Success { bittrex.fail("Unsuccessful resquest", err) return } if l...
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// Refresh retrieves and parses API data from Bittrex. // Bittrex provides timestamps in a string format that is not quite RFC 3339.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L1159-L1221
train
decred/dcrdata
exchanges/exchanges.go
NewDragonEx
func NewDragonEx(client *http.Client, channels *BotChannels) (dragonex Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, DragonExURLs.Price, nil) if err != nil { return } // Dragonex has separate endpoints for buy and sell, so the requests are // stored as fields of...
go
func NewDragonEx(client *http.Client, channels *BotChannels) (dragonex Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, DragonExURLs.Price, nil) if err != nil { return } // Dragonex has separate endpoints for buy and sell, so the requests are // stored as fields of...
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// NewDragonEx constructs a DragonExchange.
[ "NewDragonEx", "constructs", "a", "DragonExchange", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L1232-L1266
train
decred/dcrdata
exchanges/exchanges.go
NewHuobi
func NewHuobi(client *http.Client, channels *BotChannels) (huobi Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, HuobiURLs.Price, nil) if err != nil { return } reqs.price.Header.Add("Content-Type", "application/x-www-form-urlencoded") reqs.depth, err = http.NewReq...
go
func NewHuobi(client *http.Client, channels *BotChannels) (huobi Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, HuobiURLs.Price, nil) if err != nil { return } reqs.price.Header.Add("Content-Type", "application/x-www-form-urlencoded") reqs.depth, err = http.NewReq...
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// NewHuobi constructs a HuobiExchange.
[ "NewHuobi", "constructs", "a", "HuobiExchange", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L1589-L1615
train
decred/dcrdata
exchanges/exchanges.go
Refresh
func (huobi *HuobiExchange) Refresh() { huobi.LogRequest() priceResponse := new(HuobiPriceResponse) err := huobi.fetch(huobi.requests.price, priceResponse) if err != nil { huobi.fail("Fetch", err) return } if priceResponse.Status != huobi.Ok { huobi.fail("Status not ok", fmt.Errorf("Expected status %s. Rece...
go
func (huobi *HuobiExchange) Refresh() { huobi.LogRequest() priceResponse := new(HuobiPriceResponse) err := huobi.fetch(huobi.requests.price, priceResponse) if err != nil { huobi.fail("Fetch", err) return } if priceResponse.Status != huobi.Ok { huobi.fail("Status not ok", fmt.Errorf("Expected status %s. Rece...
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// Refresh retrieves and parses API data from Huobi.
[ "Refresh", "retrieves", "and", "parses", "API", "data", "from", "Huobi", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L1713-L1777
train
decred/dcrdata
exchanges/exchanges.go
NewPoloniex
func NewPoloniex(client *http.Client, channels *BotChannels) (poloniex Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, PoloniexURLs.Price, nil) if err != nil { return } reqs.depth, err = http.NewRequest(http.MethodGet, PoloniexURLs.Depth, nil) if err != nil { re...
go
func NewPoloniex(client *http.Client, channels *BotChannels) (poloniex Exchange, err error) { reqs := newRequests() reqs.price, err = http.NewRequest(http.MethodGet, PoloniexURLs.Price, nil) if err != nil { return } reqs.depth, err = http.NewRequest(http.MethodGet, PoloniexURLs.Depth, nil) if err != nil { re...
[ "func", "NewPoloniex", "(", "client", "*", "http", ".", "Client", ",", "channels", "*", "BotChannels", ")", "(", "poloniex", "Exchange", ",", "err", "error", ")", "{", "reqs", ":=", "newRequests", "(", ")", "\n", "reqs", ".", "price", ",", "err", "=", ...
// NewPoloniex constructs a PoloniexExchange.
[ "NewPoloniex", "constructs", "a", "PoloniexExchange", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L1799-L1832
train
decred/dcrdata
exchanges/exchanges.go
processWsOrderbook
func (poloniex *PoloniexExchange) processWsOrderbook(sequenceID int64, responseList []interface{}) { subList, ok := responseList[0].([]interface{}) if !ok { poloniex.setWsFail(fmt.Errorf("Failed to parse 0th element of poloniex response array")) return } if len(subList) < 2 { poloniex.setWsFail(fmt.Errorf("Un...
go
func (poloniex *PoloniexExchange) processWsOrderbook(sequenceID int64, responseList []interface{}) { subList, ok := responseList[0].([]interface{}) if !ok { poloniex.setWsFail(fmt.Errorf("Failed to parse 0th element of poloniex response array")) return } if len(subList) < 2 { poloniex.setWsFail(fmt.Errorf("Un...
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// This initial websocket message is a full orderbook.
[ "This", "initial", "websocket", "message", "is", "a", "full", "orderbook", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L1994-L2044
train
decred/dcrdata
exchanges/exchanges.go
mergePoloniexDepthUpdates
func mergePoloniexDepthUpdates(target, source poloniexOrders) { for bin, pt := range source { if pt.volume == 0 { delete(source, bin) delete(target, bin) continue } target[bin] = pt } }
go
func mergePoloniexDepthUpdates(target, source poloniexOrders) { for bin, pt := range source { if pt.volume == 0 { delete(source, bin) delete(target, bin) continue } target[bin] = pt } }
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// A helper for merging a source map into a target map. Poloniex order in the // source map with volume 0 will trigger a deletion from the target map.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L2048-L2057
train
decred/dcrdata
exchanges/exchanges.go
accumulateOrders
func (poloniex *PoloniexExchange) accumulateOrders(sequenceID int64, asks, buys poloniexOrders) { poloniex.orderMtx.Lock() defer poloniex.orderMtx.Unlock() poloniex.orderSeq++ if sequenceID != poloniex.orderSeq { poloniex.setWsFail(fmt.Errorf("poloniex sequence id failure. expected %d, received %d", poloniex.orde...
go
func (poloniex *PoloniexExchange) accumulateOrders(sequenceID int64, asks, buys poloniexOrders) { poloniex.orderMtx.Lock() defer poloniex.orderMtx.Unlock() poloniex.orderSeq++ if sequenceID != poloniex.orderSeq { poloniex.setWsFail(fmt.Errorf("poloniex sequence id failure. expected %d, received %d", poloniex.orde...
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// Merge order updates under a write lock.
[ "Merge", "order", "updates", "under", "a", "write", "lock", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L2060-L2070
train
decred/dcrdata
exchanges/exchanges.go
firstCode
func firstCode(responseList []interface{}) string { firstElement, ok := responseList[0].([]interface{}) if !ok { log.Errorf("parse failure in poloniex websocket message") return "" } if len(firstElement) < 1 { log.Errorf("unexpected number of parameters in poloniex websocket message") return "" } updateTy...
go
func firstCode(responseList []interface{}) string { firstElement, ok := responseList[0].([]interface{}) if !ok { log.Errorf("parse failure in poloniex websocket message") return "" } if len(firstElement) < 1 { log.Errorf("unexpected number of parameters in poloniex websocket message") return "" } updateTy...
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// Poloniex has a string code in the result array indicating what type of // message it is.
[ "Poloniex", "has", "a", "string", "code", "in", "the", "result", "array", "indicating", "what", "type", "of", "message", "it", "is", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L2084-L2100
train
decred/dcrdata
exchanges/exchanges.go
processPoloniexOrderbookUpdate
func processPoloniexOrderbookUpdate(updateParams []interface{}) (*poloniexOrder, int, error) { floatDir, ok := updateParams[1].(float64) if !ok { return nil, -1, fmt.Errorf("failed to type convert poloniex orderbook update direction") } direction := int(floatDir) priceStr, ok := updateParams[2].(string) if !ok ...
go
func processPoloniexOrderbookUpdate(updateParams []interface{}) (*poloniexOrder, int, error) { floatDir, ok := updateParams[1].(float64) if !ok { return nil, -1, fmt.Errorf("failed to type convert poloniex orderbook update direction") } direction := int(floatDir) priceStr, ok := updateParams[2].(string) if !ok ...
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// For Poloniex message "o", an update to the orderbook.
[ "For", "Poloniex", "message", "o", "an", "update", "to", "the", "orderbook", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L2103-L2129
train
decred/dcrdata
exchanges/exchanges.go
processTrade
func (poloniex *PoloniexExchange) processTrade(tradeParams []interface{}) (*poloniexOrder, int, error) { if len(tradeParams) != 6 { return nil, -1, fmt.Errorf("Not enough parameters in poloniex trade notification. given: %d", len(tradeParams)) } floatDir, ok := tradeParams[2].(float64) if !ok { return nil, -1, ...
go
func (poloniex *PoloniexExchange) processTrade(tradeParams []interface{}) (*poloniexOrder, int, error) { if len(tradeParams) != 6 { return nil, -1, fmt.Errorf("Not enough parameters in poloniex trade notification. given: %d", len(tradeParams)) } floatDir, ok := tradeParams[2].(float64) if !ok { return nil, -1, ...
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// For Poloniex message "t", a trade. This seems to be used rarely and // sporadically, but it is used. For the BTC_DCR endpoint, almost all updates // are of the "o" type, an orderbook update. The docs are unclear about whether a trade updates the // order book, but testing seems to indicate that a "t" message is for ...
[ "For", "Poloniex", "message", "t", "a", "trade", ".", "This", "seems", "to", "be", "used", "rarely", "and", "sporadically", "but", "it", "is", "used", ".", "For", "the", "BTC_DCR", "endpoint", "almost", "all", "updates", "are", "of", "the", "o", "type", ...
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L2136-L2166
train
decred/dcrdata
exchanges/exchanges.go
poloniexBinKeys
func poloniexBinKeys(book poloniexOrders) []int64 { keys := make([]int64, 0, len(book)) for k := range book { keys = append(keys, k) } return keys }
go
func poloniexBinKeys(book poloniexOrders) []int64 { keys := make([]int64, 0, len(book)) for k := range book { keys = append(keys, k) } return keys }
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// Pull out the int64 bin keys from the map.
[ "Pull", "out", "the", "int64", "bin", "keys", "from", "the", "map", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L2280-L2286
train
decred/dcrdata
exchanges/exchanges.go
wsDepths
func (poloniex *PoloniexExchange) wsDepths() *DepthData { poloniex.orderMtx.RLock() defer poloniex.orderMtx.RUnlock() askKeys := poloniexBinKeys(poloniex.asks) sort.Slice(askKeys, func(i, j int) bool { return askKeys[i] < askKeys[j] }) buyKeys := poloniexBinKeys(poloniex.buys) sort.Slice(buyKeys, func(i, j int...
go
func (poloniex *PoloniexExchange) wsDepths() *DepthData { poloniex.orderMtx.RLock() defer poloniex.orderMtx.RUnlock() askKeys := poloniexBinKeys(poloniex.asks) sort.Slice(askKeys, func(i, j int) bool { return askKeys[i] < askKeys[j] }) buyKeys := poloniexBinKeys(poloniex.buys) sort.Slice(buyKeys, func(i, j int...
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// Convert the intermediate orderbook to a DepthData.
[ "Convert", "the", "intermediate", "orderbook", "to", "a", "DepthData", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L2289-L2321
train
decred/dcrdata
exchanges/exchanges.go
connectWs
func (poloniex *PoloniexExchange) connectWs() { poloniex.connectWebsocket(poloniex.processWsMessage, &socketConfig{ address: PoloniexURLs.Websocket, }) poloniex.wsSend(poloniexOrderbookSubscription) }
go
func (poloniex *PoloniexExchange) connectWs() { poloniex.connectWebsocket(poloniex.processWsMessage, &socketConfig{ address: PoloniexURLs.Websocket, }) poloniex.wsSend(poloniexOrderbookSubscription) }
[ "func", "(", "poloniex", "*", "PoloniexExchange", ")", "connectWs", "(", ")", "{", "poloniex", ".", "connectWebsocket", "(", "poloniex", ".", "processWsMessage", ",", "&", "socketConfig", "{", "address", ":", "PoloniexURLs", ".", "Websocket", ",", "}", ")", ...
// Create a websocket connection and send the orderbook subscription.
[ "Create", "a", "websocket", "connection", "and", "send", "the", "orderbook", "subscription", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/exchanges/exchanges.go#L2324-L2329
train
decred/dcrdata
db/cache/charts.go
ParseZoom
func ParseZoom(zoom string) ZoomLevel { switch ZoomLevel(zoom) { case BlockZoom: return BlockZoom case WindowZoom: return WindowZoom } return DefaultZoomLevel }
go
func ParseZoom(zoom string) ZoomLevel { switch ZoomLevel(zoom) { case BlockZoom: return BlockZoom case WindowZoom: return WindowZoom } return DefaultZoomLevel }
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// ParseZoom will return the matching zoom level, else the default zoom.
[ "ParseZoom", "will", "return", "the", "matching", "zoom", "level", "else", "the", "default", "zoom", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L52-L60
train
decred/dcrdata
db/cache/charts.go
Snip
func (set *zoomSet) Snip(length int) { set.Height = set.Height.snip(length) set.Time = set.Time.snip(length) set.PoolSize = set.PoolSize.snip(length) set.PoolValue = set.PoolValue.snip(length) set.BlockSize = set.BlockSize.snip(length) set.TxCount = set.TxCount.snip(length) set.NewAtoms = set.NewAtoms.snip(lengt...
go
func (set *zoomSet) Snip(length int) { set.Height = set.Height.snip(length) set.Time = set.Time.snip(length) set.PoolSize = set.PoolSize.snip(length) set.PoolValue = set.PoolValue.snip(length) set.BlockSize = set.BlockSize.snip(length) set.TxCount = set.TxCount.snip(length) set.NewAtoms = set.NewAtoms.snip(lengt...
[ "func", "(", "set", "*", "zoomSet", ")", "Snip", "(", "length", "int", ")", "{", "set", ".", "Height", "=", "set", ".", "Height", ".", "snip", "(", "length", ")", "\n", "set", ".", "Time", "=", "set", ".", "Time", ".", "snip", "(", "length", ")...
// Snip truncates the zoomSet to a provided length.
[ "Snip", "truncates", "the", "zoomSet", "to", "a", "provided", "length", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L213-L223
train
decred/dcrdata
db/cache/charts.go
newBlockSet
func newBlockSet(size int) *zoomSet { return &zoomSet{ Time: newChartUints(size), PoolSize: newChartUints(size), PoolValue: newChartFloats(size), BlockSize: newChartUints(size), TxCount: newChartUints(size), NewAtoms: newChartUints(size), Chainwork: newChartUints(size), Fees: newChartUint...
go
func newBlockSet(size int) *zoomSet { return &zoomSet{ Time: newChartUints(size), PoolSize: newChartUints(size), PoolValue: newChartFloats(size), BlockSize: newChartUints(size), TxCount: newChartUints(size), NewAtoms: newChartUints(size), Chainwork: newChartUints(size), Fees: newChartUint...
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// Constructor for a sized zoomSet for blocks, which has has no Height slice // since the height is implicit for block-binned data.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L227-L238
train
decred/dcrdata
db/cache/charts.go
newDaySet
func newDaySet(size int) *zoomSet { set := newBlockSet(size) set.Height = newChartUints(size) return set }
go
func newDaySet(size int) *zoomSet { set := newBlockSet(size) set.Height = newChartUints(size) return set }
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// Constructor for a sized zoomSet for day-binned data.
[ "Constructor", "for", "a", "sized", "zoomSet", "for", "day", "-", "binned", "data", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L241-L245
train
decred/dcrdata
db/cache/charts.go
Snip
func (set *windowSet) Snip(length int) { set.Time = set.Time.snip(length) set.PowDiff = set.PowDiff.snip(length) set.TicketPrice = set.TicketPrice.snip(length) }
go
func (set *windowSet) Snip(length int) { set.Time = set.Time.snip(length) set.PowDiff = set.PowDiff.snip(length) set.TicketPrice = set.TicketPrice.snip(length) }
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// Snip truncates the windowSet to a provided length.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L257-L261
train
decred/dcrdata
db/cache/charts.go
newWindowSet
func newWindowSet(size int) *windowSet { return &windowSet{ Time: newChartUints(size), PowDiff: newChartFloats(size), TicketPrice: newChartUints(size), } }
go
func newWindowSet(size int) *windowSet { return &windowSet{ Time: newChartUints(size), PowDiff: newChartFloats(size), TicketPrice: newChartUints(size), } }
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// Constructor for a sized windowSet.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L264-L270
train
decred/dcrdata
db/cache/charts.go
ValidateLengths
func ValidateLengths(lens ...lengther) (int, error) { lenLen := len(lens) if lenLen == 0 { return 0, nil } firstLen := lens[0].Length() shortest := firstLen for i, l := range lens[1:lenLen] { dLen := l.Length() if dLen < firstLen { log.Warnf("charts.ValidateLengths: dataset at index %d has mismatched len...
go
func ValidateLengths(lens ...lengther) (int, error) { lenLen := len(lens) if lenLen == 0 { return 0, nil } firstLen := lens[0].Length() shortest := firstLen for i, l := range lens[1:lenLen] { dLen := l.Length() if dLen < firstLen { log.Warnf("charts.ValidateLengths: dataset at index %d has mismatched len...
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// Check that the length of all arguments is equal.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L331-L351
train
decred/dcrdata
db/cache/charts.go
midnight
func midnight(t uint64) (mid uint64) { if t > 0 { mid = t - t%aDay } return }
go
func midnight(t uint64) (mid uint64) { if t > 0 { mid = t - t%aDay } return }
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// Reduce the timestamp to the previous midnight.
[ "Reduce", "the", "timestamp", "to", "the", "previous", "midnight", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L354-L359
train
decred/dcrdata
db/cache/charts.go
ReorgHandler
func (charts *ChartData) ReorgHandler(wg *sync.WaitGroup, c chan *txhelpers.ReorgData) { defer func() { wg.Done() }() for { select { case data, ok := <-c: if !ok { return } commonAncestorHeight := uint64(data.NewChainHeight) - uint64(len(data.NewChain)) charts.mtx.Lock() defer charts.mtx.Unl...
go
func (charts *ChartData) ReorgHandler(wg *sync.WaitGroup, c chan *txhelpers.ReorgData) { defer func() { wg.Done() }() for { select { case data, ok := <-c: if !ok { return } commonAncestorHeight := uint64(data.NewChainHeight) - uint64(len(data.NewChain)) charts.mtx.Lock() defer charts.mtx.Unl...
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// ReorgHandler handles the charts cache data reorganization.
[ "ReorgHandler", "handles", "the", "charts", "cache", "data", "reorganization", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L458-L486
train
decred/dcrdata
db/cache/charts.go
Load
func (charts *ChartData) Load(cacheDumpPath string) { t := time.Now() if err := charts.readCacheFile(cacheDumpPath); err != nil { log.Debugf("Cache dump data loading failed: %v", err) } // Bring the charts up to date. charts.Update() log.Debugf("Completed the initial chart load in %d s", time.Since(t).Second...
go
func (charts *ChartData) Load(cacheDumpPath string) { t := time.Now() if err := charts.readCacheFile(cacheDumpPath); err != nil { log.Debugf("Cache dump data loading failed: %v", err) } // Bring the charts up to date. charts.Update() log.Debugf("Completed the initial chart load in %d s", time.Since(t).Second...
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// Load loads chart data from the gob file at the specified path and performs an // update.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L569-L580
train
decred/dcrdata
db/cache/charts.go
Dump
func (charts *ChartData) Dump(dumpPath string) { err := charts.writeCacheFile(dumpPath) if err != nil { log.Errorf("ChartData.writeCacheFile failed: %v", err) } else { log.Debug("Dumping the charts cache data was successful") } }
go
func (charts *ChartData) Dump(dumpPath string) { err := charts.writeCacheFile(dumpPath) if err != nil { log.Errorf("ChartData.writeCacheFile failed: %v", err) } else { log.Debug("Dumping the charts cache data was successful") } }
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// Dump dumps a ChartGobject to a gob file at the given path.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L583-L590
train
decred/dcrdata
db/cache/charts.go
FeesTip
func (charts *ChartData) FeesTip() int32 { charts.mtx.RLock() defer charts.mtx.RUnlock() return int32(len(charts.Blocks.Fees)) - 1 }
go
func (charts *ChartData) FeesTip() int32 { charts.mtx.RLock() defer charts.mtx.RUnlock() return int32(len(charts.Blocks.Fees)) - 1 }
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// FeesTip is the height of the Fees data.
[ "FeesTip", "is", "the", "height", "of", "the", "Fees", "data", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L649-L653
train
decred/dcrdata
db/cache/charts.go
NewAtomsTip
func (charts *ChartData) NewAtomsTip() int32 { charts.mtx.RLock() defer charts.mtx.RUnlock() return int32(len(charts.Blocks.NewAtoms)) - 1 }
go
func (charts *ChartData) NewAtomsTip() int32 { charts.mtx.RLock() defer charts.mtx.RUnlock() return int32(len(charts.Blocks.NewAtoms)) - 1 }
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// NewAtomsTip is the height of the NewAtoms data.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L656-L660
train
decred/dcrdata
db/cache/charts.go
TicketPriceTip
func (charts *ChartData) TicketPriceTip() int32 { charts.mtx.RLock() defer charts.mtx.RUnlock() return int32(len(charts.Windows.TicketPrice))*charts.DiffInterval - 1 }
go
func (charts *ChartData) TicketPriceTip() int32 { charts.mtx.RLock() defer charts.mtx.RUnlock() return int32(len(charts.Windows.TicketPrice))*charts.DiffInterval - 1 }
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// TicketPriceTip is the height of the TicketPrice data.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L663-L667
train
decred/dcrdata
db/cache/charts.go
PoolSizeTip
func (charts *ChartData) PoolSizeTip() int32 { charts.mtx.RLock() defer charts.mtx.RUnlock() return int32(len(charts.Blocks.PoolSize)) - 1 }
go
func (charts *ChartData) PoolSizeTip() int32 { charts.mtx.RLock() defer charts.mtx.RUnlock() return int32(len(charts.Blocks.PoolSize)) - 1 }
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// PoolSizeTip is the height of the PoolSize data.
[ "PoolSizeTip", "is", "the", "height", "of", "the", "PoolSize", "data", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L670-L674
train
decred/dcrdata
db/cache/charts.go
NewChartData
func NewChartData(height uint32, genesis time.Time, chainParams *chaincfg.Params, ctx context.Context) *ChartData { // Start datasets at 25% larger than height. This matches golangs default // capacity size increase for slice lengths > 1024 // https://github.com/golang/go/blob/87e48c5afdcf5e01bb2b7f51b7643e8901f4b7f...
go
func NewChartData(height uint32, genesis time.Time, chainParams *chaincfg.Params, ctx context.Context) *ChartData { // Start datasets at 25% larger than height. This matches golangs default // capacity size increase for slice lengths > 1024 // https://github.com/golang/go/blob/87e48c5afdcf5e01bb2b7f51b7643e8901f4b7f...
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// NewChartData constructs a new ChartData.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L712-L729
train
decred/dcrdata
db/cache/charts.go
getCache
func (charts *ChartData) getCache(chartID string, zoom ZoomLevel) (data *cachedChart, found bool, cacheID uint64) { // Ignore zero length since bestHeight would just be set to zero anyway. ck := cacheKey(chartID, zoom) charts.cacheMtx.RLock() defer charts.cacheMtx.RUnlock() cacheID = charts.cacheID(zoom) data, fo...
go
func (charts *ChartData) getCache(chartID string, zoom ZoomLevel) (data *cachedChart, found bool, cacheID uint64) { // Ignore zero length since bestHeight would just be set to zero anyway. ck := cacheKey(chartID, zoom) charts.cacheMtx.RLock() defer charts.cacheMtx.RUnlock() cacheID = charts.cacheID(zoom) data, fo...
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// Grab the cached data, if it exists. The cacheID is returned as a convenience.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L751-L759
train
decred/dcrdata
db/cache/charts.go
cacheChart
func (charts *ChartData) cacheChart(chartID string, zoom ZoomLevel, data []byte) { ck := cacheKey(chartID, zoom) charts.cacheMtx.Lock() defer charts.cacheMtx.Unlock() // Using the current best cacheID. This leaves open the small possibility that // the cacheID is wrong, if the cacheID has been updated between the ...
go
func (charts *ChartData) cacheChart(chartID string, zoom ZoomLevel, data []byte) { ck := cacheKey(chartID, zoom) charts.cacheMtx.Lock() defer charts.cacheMtx.Unlock() // Using the current best cacheID. This leaves open the small possibility that // the cacheID is wrong, if the cacheID has been updated between the ...
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// Store the chart associated with the provided type and ZoomLevel.
[ "Store", "the", "chart", "associated", "with", "the", "provided", "type", "and", "ZoomLevel", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L762-L773
train
decred/dcrdata
db/cache/charts.go
Chart
func (charts *ChartData) Chart(chartID, zoomString string) ([]byte, error) { zoom := ParseZoom(zoomString) cache, found, cacheID := charts.getCache(chartID, zoom) if found && cache.cacheID == cacheID { return cache.data, nil } maker, hasMaker := chartMakers[chartID] if !hasMaker { return nil, UnknownChartErr ...
go
func (charts *ChartData) Chart(chartID, zoomString string) ([]byte, error) { zoom := ParseZoom(zoomString) cache, found, cacheID := charts.getCache(chartID, zoom) if found && cache.cacheID == cacheID { return cache.data, nil } maker, hasMaker := chartMakers[chartID] if !hasMaker { return nil, UnknownChartErr ...
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// Chart will return a JSON-encoded chartResponse of the provided type // and ZoomLevel.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L796-L816
train
decred/dcrdata
db/cache/charts.go
encode
func (charts *ChartData) encode(sets ...lengther) ([]byte, error) { if len(sets) == 0 { return nil, fmt.Errorf("encode called without arguments") } smaller := sets[0].Length() for _, x := range sets { l := x.Length() if l < smaller { smaller = l } } response := make(chartResponse) for i := range sets ...
go
func (charts *ChartData) encode(sets ...lengther) ([]byte, error) { if len(sets) == 0 { return nil, fmt.Errorf("encode called without arguments") } smaller := sets[0].Length() for _, x := range sets { l := x.Length() if l < smaller { smaller = l } } response := make(chartResponse) for i := range sets ...
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// Encode the slices. The set lengths are truncated to the smallest of the // arguments.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L823-L846
train
decred/dcrdata
db/cache/charts.go
accumulate
func accumulate(data ChartUints) ChartUints { d := make(ChartUints, 0, len(data)) var accumulator uint64 for _, v := range data { accumulator += v d = append(d, accumulator) } return d }
go
func accumulate(data ChartUints) ChartUints { d := make(ChartUints, 0, len(data)) var accumulator uint64 for _, v := range data { accumulator += v d = append(d, accumulator) } return d }
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// Each point is translated to the sum of all points before and itself.
[ "Each", "point", "is", "translated", "to", "the", "sum", "of", "all", "points", "before", "and", "itself", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L849-L857
train
decred/dcrdata
db/cache/charts.go
btw
func btw(data ChartUints) ChartUints { d := make(ChartUints, 0, len(data)) dataLen := len(data) if dataLen == 0 { return d } d = append(d, 0) last := data[0] for _, v := range data[1:] { d = append(d, v-last) last = v } return d }
go
func btw(data ChartUints) ChartUints { d := make(ChartUints, 0, len(data)) dataLen := len(data) if dataLen == 0 { return d } d = append(d, 0) last := data[0] for _, v := range data[1:] { d = append(d, v-last) last = v } return d }
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// Translate the uints to a slice of the differences between each. The provided // data is assumed to be monotonically increasing. The first element is always // 0 to keep the data length unchanged.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L862-L875
train
decred/dcrdata
db/cache/charts.go
hashrate
func hashrate(time, chainwork ChartUints) (ChartUints, ChartUints) { hrLen := len(chainwork) - HashrateAvgLength if hrLen <= 0 { return newChartUints(0), newChartUints(0) } t := make(ChartUints, 0, hrLen) y := make(ChartUints, 0, hrLen) var rotator [HashrateAvgLength]uint64 for i, work := range chainwork { i...
go
func hashrate(time, chainwork ChartUints) (ChartUints, ChartUints) { hrLen := len(chainwork) - HashrateAvgLength if hrLen <= 0 { return newChartUints(0), newChartUints(0) } t := make(ChartUints, 0, hrLen) y := make(ChartUints, 0, hrLen) var rotator [HashrateAvgLength]uint64 for i, work := range chainwork { i...
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// hashrate converts the provided chainwork data to hashrate data. Since // hashrates are averaged over HashrateAvgLength blocks, the returned slice // is HashrateAvgLength shorter than the provided chainwork. A time slice is // required as well, and a truncated time slice with the same length as the // hashrate slice ...
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/charts.go#L932-L953
train
decred/dcrdata
db/dcrpg/internal/addrstmts.go
formatGroupingQuery
func formatGroupingQuery(mainQuery, group, column string) string { if group == "all" { return fmt.Sprintf(mainQuery, column) } subQuery := fmt.Sprintf("date_trunc('%s', %s)", group, column) return fmt.Sprintf(mainQuery, subQuery) }
go
func formatGroupingQuery(mainQuery, group, column string) string { if group == "all" { return fmt.Sprintf(mainQuery, column) } subQuery := fmt.Sprintf("date_trunc('%s', %s)", group, column) return fmt.Sprintf(mainQuery, subQuery) }
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// Since date_trunc function doesn't have an option to group by "all" grouping, // formatGroupingQuery removes the date_trunc from the sql query as its not applicable.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/dcrpg/internal/addrstmts.go#L380-L386
train
decred/dcrdata
db/cache/addresscache.go
NewBlockID
func NewBlockID(hash *chainhash.Hash, height int64) *BlockID { return &BlockID{ Hash: *hash, Height: height, } }
go
func NewBlockID(hash *chainhash.Hash, height int64) *BlockID { return &BlockID{ Hash: *hash, Height: height, } }
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// NewBlockID constructs a new BlockID.
[ "NewBlockID", "constructs", "a", "new", "BlockID", "." ]
02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L398-L403
train
decred/dcrdata
db/cache/addresscache.go
BlockHash
func (d *AddressCacheItem) BlockHash() chainhash.Hash { d.mtx.RLock() defer d.mtx.RUnlock() return d.hash }
go
func (d *AddressCacheItem) BlockHash() chainhash.Hash { d.mtx.RLock() defer d.mtx.RUnlock() return d.hash }
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// BlockHash is a thread-safe accessor for the block hash.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L411-L415
train
decred/dcrdata
db/cache/addresscache.go
BlockHeight
func (d *AddressCacheItem) BlockHeight() int64 { d.mtx.RLock() defer d.mtx.RUnlock() return d.height }
go
func (d *AddressCacheItem) BlockHeight() int64 { d.mtx.RLock() defer d.mtx.RUnlock() return d.height }
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// BlockHeight is a thread-safe accessor for the block height.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L418-L422
train
decred/dcrdata
db/cache/addresscache.go
HistoryChart
func (d *AddressCacheItem) HistoryChart(addrChart dbtypes.HistoryChart, chartGrouping dbtypes.TimeBasedGrouping) (*dbtypes.ChartsData, *BlockID) { d.mtx.RLock() defer d.mtx.RUnlock() if int(chartGrouping) >= dbtypes.NumIntervals { log.Errorf("Invalid chart grouping: %v", chartGrouping) return nil, nil } var ...
go
func (d *AddressCacheItem) HistoryChart(addrChart dbtypes.HistoryChart, chartGrouping dbtypes.TimeBasedGrouping) (*dbtypes.ChartsData, *BlockID) { d.mtx.RLock() defer d.mtx.RUnlock() if int(chartGrouping) >= dbtypes.NumIntervals { log.Errorf("Invalid chart grouping: %v", chartGrouping) return nil, nil } var ...
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// HistoryChart is a thread-safe accessor for the TxHistory.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L445-L466
train
decred/dcrdata
db/cache/addresscache.go
setBlock
func (d *AddressCacheItem) setBlock(block BlockID) { if block.Hash == d.hash { return } d.hash = block.Hash d.height = block.Height d.utxos = nil d.history.Clear() d.balance = nil d.rows = nil }
go
func (d *AddressCacheItem) setBlock(block BlockID) { if block.Hash == d.hash { return } d.hash = block.Hash d.height = block.Height d.utxos = nil d.history.Clear() d.balance = nil d.rows = nil }
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// setBlock ensures that the AddressCacheItem pertains to the given BlockID, // clearing any cached data if the previously set block is not equal to the // given block.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L551-L561
train
decred/dcrdata
db/cache/addresscache.go
SetRows
func (d *AddressCacheItem) SetRows(block BlockID, rows []dbtypes.AddressRowCompact) { d.mtx.Lock() defer d.mtx.Unlock() d.setBlock(block) d.rows = rows }
go
func (d *AddressCacheItem) SetRows(block BlockID, rows []dbtypes.AddressRowCompact) { d.mtx.Lock() defer d.mtx.Unlock() d.setBlock(block) d.rows = rows }
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// SetRows updates the cache item for the given non-merged AddressRow slice // valid at the given BlockID.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L565-L570
train
decred/dcrdata
db/cache/addresscache.go
SetUTXOs
func (d *AddressCacheItem) SetUTXOs(block BlockID, utxos []apitypes.AddressTxnOutput) { d.mtx.Lock() defer d.mtx.Unlock() d.setBlock(block) d.utxos = utxos }
go
func (d *AddressCacheItem) SetUTXOs(block BlockID, utxos []apitypes.AddressTxnOutput) { d.mtx.Lock() defer d.mtx.Unlock() d.setBlock(block) d.utxos = utxos }
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// SetUTXOs updates the cache item for the given AddressTxnOutput slice valid at // the given BlockID.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L574-L579
train
decred/dcrdata
db/cache/addresscache.go
SetBalance
func (d *AddressCacheItem) SetBalance(block BlockID, balance *dbtypes.AddressBalance) { d.mtx.Lock() defer d.mtx.Unlock() d.setBlock(block) d.balance = balance }
go
func (d *AddressCacheItem) SetBalance(block BlockID, balance *dbtypes.AddressBalance) { d.mtx.Lock() defer d.mtx.Unlock() d.setBlock(block) d.balance = balance }
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// SetBalance updates the cache item for the given AddressBalance valid at the // given BlockID.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L583-L588
train
decred/dcrdata
db/cache/addresscache.go
NewAddressCache
func NewAddressCache(rowCapacity int) *AddressCache { if rowCapacity < 0 { rowCapacity = 0 } ac := &AddressCache{ a: make(map[string]*AddressCacheItem), cap: rowCapacity, capAddr: addressCapacity, } defer func() { go ac.Reporter() }() return ac }
go
func NewAddressCache(rowCapacity int) *AddressCache { if rowCapacity < 0 { rowCapacity = 0 } ac := &AddressCache{ a: make(map[string]*AddressCacheItem), cap: rowCapacity, capAddr: addressCapacity, } defer func() { go ac.Reporter() }() return ac }
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// NewAddressCache constructs an AddressCache with capacity for the specified // number of address rows.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L693-L704
train
decred/dcrdata
db/cache/addresscache.go
Reporter
func (ac *AddressCache) Reporter() { var lastBH, lastBM, lastRH, lastRM, lastUH, lastUM, lastHH, lastHM int ticker := time.NewTicker(4 * time.Second) for range ticker.C { balHits, balMisses := ac.BalanceStats() rowHits, rowMisses := ac.RowStats() utxoHits, utxoMisses := ac.UtxoStats() histHits, histMisses :=...
go
func (ac *AddressCache) Reporter() { var lastBH, lastBM, lastRH, lastRM, lastUH, lastUM, lastHH, lastHM int ticker := time.NewTicker(4 * time.Second) for range ticker.C { balHits, balMisses := ac.BalanceStats() rowHits, rowMisses := ac.RowStats() utxoHits, utxoMisses := ac.UtxoStats() histHits, histMisses :=...
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// Reporter prints the number of cached addresses, rows, and utxos, as well as a // table of cache hits and misses.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L728-L758
train
decred/dcrdata
db/cache/addresscache.go
addressCacheItem
func (ac *AddressCache) addressCacheItem(addr string) *AddressCacheItem { ac.mtx.RLock() defer ac.mtx.RUnlock() return ac.a[addr] }
go
func (ac *AddressCache) addressCacheItem(addr string) *AddressCacheItem { ac.mtx.RLock() defer ac.mtx.RUnlock() return ac.a[addr] }
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// addressCacheItem safely accesses any AddressCacheItem for the given address.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L761-L765
train
decred/dcrdata
db/cache/addresscache.go
ClearAll
func (ac *AddressCache) ClearAll() (numCleared int) { ac.mtx.Lock() defer ac.mtx.Unlock() numCleared = len(ac.a) ac.a = make(map[string]*AddressCacheItem) return }
go
func (ac *AddressCache) ClearAll() (numCleared int) { ac.mtx.Lock() defer ac.mtx.Unlock() numCleared = len(ac.a) ac.a = make(map[string]*AddressCacheItem) return }
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// ClearAll resets AddressCache, purging all cached data.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L768-L774
train
decred/dcrdata
db/cache/addresscache.go
Clear
func (ac *AddressCache) Clear(addrs []string) (numCleared int) { if addrs == nil { return ac.ClearAll() } if len(addrs) == 0 { return } ac.mtx.Lock() defer ac.mtx.Unlock() for i := range addrs { delete(ac.a, addrs[i]) numCleared++ } return }
go
func (ac *AddressCache) Clear(addrs []string) (numCleared int) { if addrs == nil { return ac.ClearAll() } if len(addrs) == 0 { return } ac.mtx.Lock() defer ac.mtx.Unlock() for i := range addrs { delete(ac.a, addrs[i]) numCleared++ } return }
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// Clear purging cached data for the given addresses. If addrs is nil, all data // are cleared. If addresses is non-nil empty slice, no data are cleard.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L778-L792
train
decred/dcrdata
db/cache/addresscache.go
Balance
func (ac *AddressCache) Balance(addr string) (*dbtypes.AddressBalance, *BlockID) { aci := ac.addressCacheItem(addr) if aci == nil { ac.cacheMetrics.BalanceMiss() return nil, nil } ac.cacheMetrics.BalanceHit() return aci.Balance() }
go
func (ac *AddressCache) Balance(addr string) (*dbtypes.AddressBalance, *BlockID) { aci := ac.addressCacheItem(addr) if aci == nil { ac.cacheMetrics.BalanceMiss() return nil, nil } ac.cacheMetrics.BalanceHit() return aci.Balance() }
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// Balance attempts to retrieve an AddressBalance for the given address. The // BlockID for the block at which the cached data is valid is also returned. In // the event of a cache miss, both returned pointers will be nil.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L797-L805
train
decred/dcrdata
db/cache/addresscache.go
HistoryChart
func (ac *AddressCache) HistoryChart(addr string, addrChart dbtypes.HistoryChart, chartGrouping dbtypes.TimeBasedGrouping) (*dbtypes.ChartsData, *BlockID) { aci := ac.addressCacheItem(addr) if aci == nil { ac.cacheMetrics.HistoryMiss() return nil, nil } cd, blockID := aci.HistoryChart(addrChart, chartGrouping...
go
func (ac *AddressCache) HistoryChart(addr string, addrChart dbtypes.HistoryChart, chartGrouping dbtypes.TimeBasedGrouping) (*dbtypes.ChartsData, *BlockID) { aci := ac.addressCacheItem(addr) if aci == nil { ac.cacheMetrics.HistoryMiss() return nil, nil } cd, blockID := aci.HistoryChart(addrChart, chartGrouping...
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// HistoryChart attempts to retrieve ChartsData for the given address, chart // type, and grouping inverval. The BlockID for the block at which the cached // data is valid is also returned. In the event of a cache miss, both returned // pointers will be nil.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L824-L840
train
decred/dcrdata
db/cache/addresscache.go
Length
func (ac *AddressCache) Length() (numAddrs, numTxns, numUTXOs int) { ac.mtx.RLock() defer ac.mtx.RUnlock() return ac.length() }
go
func (ac *AddressCache) Length() (numAddrs, numTxns, numUTXOs int) { ac.mtx.RLock() defer ac.mtx.RUnlock() return ac.length() }
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// Length returns the total number of address rows and UTXOs stored in cache.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L948-L952
train
decred/dcrdata
db/cache/addresscache.go
NumAddresses
func (ac *AddressCache) NumAddresses() int { ac.mtx.RLock() defer ac.mtx.RUnlock() return len(ac.a) }
go
func (ac *AddressCache) NumAddresses() int { ac.mtx.RLock() defer ac.mtx.RUnlock() return len(ac.a) }
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// NumAddresses returns the total number of addresses in the cache.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L955-L959
train
decred/dcrdata
db/cache/addresscache.go
StoreRows
func (ac *AddressCache) StoreRows(addr string, rows []*dbtypes.AddressRow, block *BlockID) bool { if block == nil || ac.cap < 1 || ac.capAddr < 1 { return false } rowsCompact := []dbtypes.AddressRowCompact{} if rows != nil { rowsCompact = dbtypes.CompactRows(rows) } // respect cache capacity return ac.Stor...
go
func (ac *AddressCache) StoreRows(addr string, rows []*dbtypes.AddressRow, block *BlockID) bool { if block == nil || ac.cap < 1 || ac.capAddr < 1 { return false } rowsCompact := []dbtypes.AddressRowCompact{} if rows != nil { rowsCompact = dbtypes.CompactRows(rows) } // respect cache capacity return ac.Stor...
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// StoreRows stores the non-merged AddressRow slice for the given address in // cache. The current best block data is required to determine cache freshness.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L1071-L1083
train
decred/dcrdata
db/cache/addresscache.go
StoreHistoryChart
func (ac *AddressCache) StoreHistoryChart(addr string, addrChart dbtypes.HistoryChart, chartGrouping dbtypes.TimeBasedGrouping, cd *dbtypes.ChartsData, block *BlockID) bool { if block == nil || ac.cap < 1 || ac.capAddr < 1 { return false } if int(chartGrouping) >= dbtypes.NumIntervals { log.Errorf("Invalid cha...
go
func (ac *AddressCache) StoreHistoryChart(addr string, addrChart dbtypes.HistoryChart, chartGrouping dbtypes.TimeBasedGrouping, cd *dbtypes.ChartsData, block *BlockID) bool { if block == nil || ac.cap < 1 || ac.capAddr < 1 { return false } if int(chartGrouping) >= dbtypes.NumIntervals { log.Errorf("Invalid cha...
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// StoreHistoryChart stores the charts data for the given address in cache. The // current best block data is required to determine cache freshness.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L1087-L1130
train
decred/dcrdata
db/cache/addresscache.go
StoreRowsCompact
func (ac *AddressCache) StoreRowsCompact(addr string, rows []dbtypes.AddressRowCompact, block *BlockID) bool { if block == nil || ac.cap < 1 || ac.capAddr < 1 { return false } ac.mtx.Lock() defer ac.mtx.Unlock() if rows == nil { rows = []dbtypes.AddressRowCompact{} } // respect cache capacity return ac.s...
go
func (ac *AddressCache) StoreRowsCompact(addr string, rows []dbtypes.AddressRowCompact, block *BlockID) bool { if block == nil || ac.cap < 1 || ac.capAddr < 1 { return false } ac.mtx.Lock() defer ac.mtx.Unlock() if rows == nil { rows = []dbtypes.AddressRowCompact{} } // respect cache capacity return ac.s...
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// StoreRowsCompact stores the non-merged AddressRow slice for the given address // in cache. The current best block data is required to determine cache // freshness.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L1135-L1149
train
decred/dcrdata
db/cache/addresscache.go
StoreBalance
func (ac *AddressCache) StoreBalance(addr string, balance *dbtypes.AddressBalance, block *BlockID) bool { if ac.cap < 1 || ac.capAddr < 1 { return false } ac.mtx.Lock() defer ac.mtx.Unlock() aci := ac.a[addr] if block != nil && balance == nil { balance = &dbtypes.AddressBalance{ Address: addr, } } i...
go
func (ac *AddressCache) StoreBalance(addr string, balance *dbtypes.AddressBalance, block *BlockID) bool { if ac.cap < 1 || ac.capAddr < 1 { return false } ac.mtx.Lock() defer ac.mtx.Unlock() aci := ac.a[addr] if block != nil && balance == nil { balance = &dbtypes.AddressBalance{ Address: addr, } } i...
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// StoreBalance stores the AddressBalance for the given address in cache. The // current best block data is required to determine cache freshness.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L1153-L1181
train
decred/dcrdata
db/cache/addresscache.go
StoreUTXOs
func (ac *AddressCache) StoreUTXOs(addr string, utxos []apitypes.AddressTxnOutput, block *BlockID) bool { if ac.cap < 1 || ac.capAddr < 1 { return false } // Only allow storing maxUTXOsPerAddr. if len(utxos) > maxUTXOsPerAddr && addr != ac.ProjectAddress { return false } ac.mtx.Lock() defer ac.mtx.Unlock()...
go
func (ac *AddressCache) StoreUTXOs(addr string, utxos []apitypes.AddressTxnOutput, block *BlockID) bool { if ac.cap < 1 || ac.capAddr < 1 { return false } // Only allow storing maxUTXOsPerAddr. if len(utxos) > maxUTXOsPerAddr && addr != ac.ProjectAddress { return false } ac.mtx.Lock() defer ac.mtx.Unlock()...
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// StoreUTXOs stores the AddressTxnOutput slice for the given address in cache. // The current best block data is required to determine cache freshness.
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/db/cache/addresscache.go#L1185-L1216
train
decred/dcrdata
api/insight/converter.go
TxConverter
func (iapi *InsightApi) TxConverter(txs []*dcrjson.TxRawResult) ([]apitypes.InsightTx, error) { return iapi.DcrToInsightTxns(txs, false, false, false) }
go
func (iapi *InsightApi) TxConverter(txs []*dcrjson.TxRawResult) ([]apitypes.InsightTx, error) { return iapi.DcrToInsightTxns(txs, false, false, false) }
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// TxConverter converts dcrd-tx to insight tx
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02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6
https://github.com/decred/dcrdata/blob/02d6f8e648f7e2c5cf78ea92fb17b1d4aa4a99f6/api/insight/converter.go#L15-L17
train